The Rocky Creek is a gold mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Rocky Creek MRDS details
Site Name
Primary: Rocky Creek
Commodity
Primary: Gold
Location
State: Alaska
District: Aniak
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Geology): Age = Quaternary.
Comment (Workings): Workings / Exploration = About 2 miles of the creek have been placer mined, much of it by dredging.
Comment (Reference): Primary Reference = Hoare and Cobb, 1977
Comment (Geology): Geologic Description = The placer deposit on Rocky Creek is a continuation of the deposit on California Creek (RM034). The Rocky Creek placer was one of the richest in the upper Tuluksak River drainage. About 2 miles of the creek from the mouth to the headwaters have been mined, much of it by dredging. The grade of the deposit increased upstream. The bedrock in the drainage is thermally metamorphosed Jurassic volcanic rocks that are intruded by a mid-Cretaceous granitic stock at the head of the drainage (Box and others, 1993). The placer appears to continue upstream to near the contact zone of the granitic stock.
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
References
Reference (Deposit): Hoare, J M., and Cobb, E.H., 1972, Metallic mineral resources map of the Russian Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-444, scale 1:250,000.
Reference (Deposit): Hoare, J.M., and Cobb, E.H., 1977, Mineral occurrences (other than mineral fuels and construction materials) in the Bethel, Goodnews, and Russian Mission quadrangles, Alaska: U.S. Geological Survey Open-File Report 77-156, 98 p.
Reference (Deposit): Hoare, J M., and Cobb, E.H., 1972, Metallic mineral resources map of the Russian Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-444, 1 sheet, scale 1:250,000.
Reference (Deposit): Box, S.E, Moll-Stalcup, E.J., Frost, T.P., and Murphy, J.M., 1993, Preliminary geologic map of the Bethel and southern Russian Mission quadrangles, southwestern Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2226-A, 20 p., scale 1:250,000.
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